English translation of common Italian phrase whereupon the subject admits to playing a prank or wind-up upon the object. Originates from films made by such individuals as Scorcese, De Niro and Pesci eg., Goodfellas, Casino, A Bronx Tale.

"Come on Henry, I'm just breakin' his balls a little bit, what does he take me for, a fuckin schmuck?" - Goodfellas